void
setup( void )
{
  P1DIR = 0b11111111;
  P2DIR = 0b11111111;
  P2OUT = 0b00000000;
}


enum { LOWEST = 70, HIGHEST=255 };
unsigned int speed = HIGHEST;      // The fastest it can go

void
loop( void )
{
  digitalWrite( RED_LED, 1 );
  digitalWrite( GREEN_LED, 0 );
  for( unsigned int x = HIGHEST; x > LOWEST; x-- )
  {
    analogWrite( P2_6, x );
    delay( 20 );
  }

  digitalWrite( RED_LED, 0 );
  digitalWrite( GREEN_LED, 1 );
  for( unsigned int x = LOWEST; x < HIGHEST; x++ )
  {
    analogWrite( P2_6, x );
    delay( 20 );
  }
}